diff --git a/libkineto/include/Config.h b/libkineto/include/Config.h
index 933b1d517..9866f8902 100644
--- a/libkineto/include/Config.h
+++ b/libkineto/include/Config.h
@@ -394,7 +394,7 @@ class Config : public AbstractConfig {
     return customConfig_;
   }
 
-  uint32_t maxEvents() const {
+  uint64_t maxEvents() const {
     return maxEvents_;
   }
 
@@ -533,7 +533,7 @@ class Config : public AbstractConfig {
   std::string customConfig_;
 
   // Roctracer settings
-  uint32_t maxEvents_{5000000};
+  uint64_t maxEvents_{5000000};
 };
 
 constexpr char kUseDaemonEnvVar[] = "KINETO_USE_DAEMON";
diff --git a/libkineto/src/Config.cpp b/libkineto/src/Config.cpp
index 2a0c95fbe..59c61f312 100644
--- a/libkineto/src/Config.cpp
+++ b/libkineto/src/Config.cpp
@@ -442,7 +442,7 @@ bool Config::handleOption(const std::string& name, std::string& val) {
   } else if (!name.compare(kRequestGroupTraceID)) {
     requestGroupTraceID_ = val;
   } else if (!name.compare(kRoctracerSetMaxEvents)) {
-    maxEvents_ = toInt32(val);
+    maxEvents_ = toInt64(val);
   }
 
   // TODO: Deprecate Client Interface
diff --git a/libkineto/src/RoctracerActivityApi.cpp b/libkineto/src/RoctracerActivityApi.cpp
index 0bec09d4a..c9d069588 100644
--- a/libkineto/src/RoctracerActivityApi.cpp
+++ b/libkineto/src/RoctracerActivityApi.cpp
@@ -175,7 +175,7 @@ void RoctracerActivityApi::clearActivities() {
   d->clearLogs();
 }
 
-void RoctracerActivityApi::setMaxEvents(uint32_t maxEvents) {
+void RoctracerActivityApi::setMaxEvents(uint64_t maxEvents) {
 #ifdef HAS_ROCTRACER
   d->setMaxEvents(maxEvents);
 #endif
diff --git a/libkineto/src/RoctracerActivityApi.h b/libkineto/src/RoctracerActivityApi.h
index 54bf03f73..e96325a5b 100644
--- a/libkineto/src/RoctracerActivityApi.h
+++ b/libkineto/src/RoctracerActivityApi.h
@@ -45,7 +45,7 @@ class RoctracerActivityApi {
   void clearActivities();
   void flushActivities();
   void teardownContext() {}
-  void setMaxEvents(uint32_t maxEvents);
+  void setMaxEvents(uint64_t maxEvents);
 
   virtual int processActivities(
       std::function<void(const roctracerBase*)> handler,
diff --git a/libkineto/src/RoctracerLogger.cpp b/libkineto/src/RoctracerLogger.cpp
index 725c4d0b0..8321b83d9 100644
--- a/libkineto/src/RoctracerLogger.cpp
+++ b/libkineto/src/RoctracerLogger.cpp
@@ -311,7 +311,7 @@ void RoctracerLogger::activity_callback(
   }
 }
 
-void RoctracerLogger::setMaxEvents(uint32_t maxBufferSize) {
+void RoctracerLogger::setMaxEvents(uint64_t maxBufferSize) {
 #ifdef HAS_ROCTRACER
   RoctracerLogger* dis = &singleton();
   std::lock_guard<std::mutex> lock(dis->rowsMutex_);
diff --git a/libkineto/src/RoctracerLogger.h b/libkineto/src/RoctracerLogger.h
index d28a9f08b..9d075892d 100644
--- a/libkineto/src/RoctracerLogger.h
+++ b/libkineto/src/RoctracerLogger.h
@@ -267,7 +267,7 @@ class RoctracerLogger {
   void startLogging();
   void stopLogging();
   void clearLogs();
-  void setMaxEvents(uint32_t maxBufferSize);
+  void setMaxEvents(uint64_t maxBufferSize);
 
  private:
   bool registered_{false};
@@ -285,7 +285,7 @@ class RoctracerLogger {
   ApiIdList loggedIds_;
 
   // Api callback data
-  uint32_t maxBufferSize_{5000000}; // 5M GPU runtime/kernel events.
+  uint64_t maxBufferSize_{5000000}; // 5M GPU runtime/kernel events.
   std::vector<roctracerBase*> rows_;
   std::mutex rowsMutex_;